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Generally from mid-April onwards conditions are ideal for reseeding. However this is also the time when there is considerable pressure to supply pasture to grazing livestock and for first–cut silage production. On a number of farms the most suitable time for reseeding is during late June and July when all/most silage has been made, and when there is generally a surplus of grass. Furthermore the new sward becomes quickly established in August – once conditions are not too dry – and the ground is back in the grazing rotation by mid-September – a crucial time to have high covers of grass on farms.
Reseeded pastures are significantly more productive than old pastures. An extra yearly 2-3 tonnes DM/hectare can be achieved with new pasture, over what is achievable from old pastures, containing a reduced level of perennial ryegrass, and having a significant level of weeds. In grazing land, newly reseeded pastures deliver excellent growth during the shoulders of the season i.e. early spring and late autumn. Also new perennial varieties have excellent re-growth potential in April (following an early grazing) and deliver very leafy – high feed value – swards in mid-summer. Older pastures tend to go stemmy at this time and deteriorate rapidly in quality, and accordingly animal performance dips. On silage ground, reseeded pastures deliver extra yield, but even more importantly, the digestibility (feeding value) of the silage is generally 2-3 units higher.
By and large, irrespective of the method used, reseeding is a costly operation (approx. €175/acre). However we would urge you to take into consideration that you will be living with the results for possibly 10 years or more. Reseeding is a long-term investment in the future profitability of your livestock enterprise, and you simply MUST get it right. Taking short-cuts is not an option ! Selecting the right grass seed mixtures to match the intended use for this pasture is all important. We would urge you to choose to reseed with a quality ACORN Grass Seed Mixture, which we are confident are technically superior blends that will deliver the extra grass yield but also very importantly, the much improved feed value (grass quality), that you are seeking.
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